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Acta Prataculturae Sinica ›› 2014, Vol. 23 ›› Issue (5): 77-91.DOI: 10.11686/cyxb20140509

• Orginal Article • Previous Articles     Next Articles

Investigation and analysis of application prospects of Lagerstroemia indica germplasm resources in Hunan Province

WANG Ye-she1,HOU Bo-xing2,YANG Qiang-fa2,ZHOU Hai-ping2,CHEN Li-jun1,YANG Xian-jun1   

  1. 1.Department of City Construction, Shaoyang University, Shaoyang 422000, China;
    2.Hunan Crape myrtle Institute, Shaoyang 422000, China
  • Received:2013-09-10 Online:2014-10-20 Published:2014-10-20

Abstract:

In order to obtain further knowledge about the status of Lagerstroemia indica germplasm resources in Hunan Province, this study made a systematic appraisal of L. indica germplasm resources based on field investigation and collections and on analysis of herbarium specimens and published literature. Six kinds of L. indica species were identified including L. indica, L. subcostata, L. limii, L. caudata, L. excelsa and L. tomentosa, and 111 varieties including 36 L. indica Amabilis Group, 30 L. indica Rubra Group, 14 L. indica Alba Group, 23 L. indica Bicolor Group and 8 L. indica Dwarf Group. Red and blue are the most common colors of L. indica with , 36 and 37 varieties respectively. There are also 14 white varieties and 24 combined colour varieties. With respect to evolution of plant characters blue-violet or red is the primitive color of L. indicawith transition to white and combined color, while the evolution of plant type is from arbor and shrub to dwarf shrub. The general characteristics are single plant type, many straight branches and a few hanger branches. All are deciduous shrubs, and there is no evergreen L. indica. Few colorful leaves, especially red leaf and floral leaf character. The color is humdrum, purple and red take the most part. It lacks of the variety with many big flowers which are fragrant flowers. L. indica has high ornamental value, nutritional value, medicinal value and ecological value, comprehensive benefits, which has great potential and broad market prospect.

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